Спасибо что не отказали сделал с божей помощью вот это по реальнее
How to Flash an Emptyboard of K750/D750?
Select exact phone type - K750i, K750c or D750i.
Start the phone in recovery mode (via Force RSA recovery mode, CID=36).
Repair certificate and turn off the phone.
Reattach the phone in normal mode. It should be detected as brown CID36.
Repair EROM.
Flash K750 full GDFS file. (Enclosed below).
Use the button Lock OTP area after typing in the desired IMEI, selecting CID=36 and setting the product flag to Retail.
Reattach the phone.
Convert the phone to red CID36 using the special red CID36 EROM file:
Turn off the phone and reattach it. It should be detected as red CID36 now.
Flash main firmware.
Unlock RSA and reattach.
Flash raw FS.
Turn off the phone and reattach it again.
Customize FS by one of the built-in customizations.
Shutdown FS.